This thesis is about the study of the preparation and production process of sulfonylurea herbicidal nicosulfuron.
本论文研究磺酰脲类除草剂烟嘧磺隆的合成路线，确定了合成较佳工艺条件。
2
Treated by mixture of nicosulfuron and PBO, the tolerant variety of maize is more tolerant than the sensitive variety.
在烟嘧磺隆与P BO组合处理下耐性品种对各处理的耐性明显高于敏感型品种。
3
Nicosulfuron is an important herbicide suitable for corn field. This paper discussed the formulation of nicosulfuron and some problems of its application in China.